Balenciaga Nano Round Sunglasses combine sculpted acetate frames with signature BB hardware for a refined round silhouette. They deliver UV protection and a comfortable standard fit for everyday wear. Key attributes: Black | Acetate | 100% UVA/UVB protection | Lens category 3 | Curved temples | Nano BB logo metal plates on both temples | Not suitable for optical conversion | Round frame | Thick tonal frame | Tinted grey lenses | Gold-tone logo detail | Dimensions & fit: Temple length: 14 cm | Bridge width: 1.6 cm | Standard fit | One size | Composition & care: Frame: Acetate | Lenses: Bio‑Nylon | Clean with a damp cloth and mild neutral detergent; dry with a soft cloth. Avoid solvents and aggressive cleaners. Store in the provided case and avoid prolonged exposure to extreme temperatures (-10°C to +35°C).